jake you do a better job of pronouncing. >> tamerlan tsavraev, he is d dead. younger brother, 19 years old. dzhokhar tsavraev is he at large. we started out with a warning in watertown to stay in their homes, that expanded to other areas, including waltham, cambridge, and the entire city of boston. people being told stay in your homes. >> one of the things remarkable. we got off the phone who is a high school classmate of dzhokhar. he went to cambridge latin. a good public school in the area. >> a normal kid. knew nothing about this. didn't know dzhokhar had an older brother. seven years older than him. he didn't even know he had an older brother and he was convinced his friend, dzhokhar, now a fugitive. wanted for his part in the murder of three individuals. two during the boston terrorist attack and an m.i.t. officer last night. nice, normal kid and eric is convinced somebody led him into this life of terrorism. >> dzhokhar comes from chechnya. emigrated to boston. been here at least a few years. a door-to-door search in watertown as police like for dzhokhar